18918588

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{701}}^1$

素因数の和:894

約数の個数: 48

約数和(自身を含む): 47882016

約数和(自身を除く): 28963428

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 173, 346, 519, 692, 701, 1038, 1402, 2076, 2103, 2249, 2804, 4206, 4498, 6747, 8412, 8996, 9113, 13494, 18226, 26988, 27339, 36452, 54678, 109356, 121273, 242546, 363819, 485092, 727638, 1455276, 1576549, 3153098, 4729647, 6306196, 9459294, 18918588]

約数ペア:

[(1, 18918588), (2, 9459294), (3, 6306196), (4, 4729647), (6, 3153098), (12, 1576549), (13, 1455276), (26, 727638), (39, 485092), (52, 363819), (78, 242546), (156, 121273), (173, 109356), (346, 54678), (519, 36452), (692, 27339), (701, 26988), (1038, 18226), (1402, 13494), (2076, 9113), (2103, 8996), (2249, 8412), (2804, 6747), (4206, 4498)]